Its a Blue Winged Olive game out here on the Gunnison. Smaller mayfly dries, nymphs, and emergers will be the go-to.
Of course, caddis and stonefly nymphs always make for a great attractor nymph.
And streamers.
Patterns/Bugs:
Nymphs: Prince nymphs 14-18, Pats Rubberlegs 8-12 or Jigged Pats 8-12, Black and Blue Copper Johns 14-18, Pheasant tails 18-22, Juju Baetis 18-20, Disco Midge 18-20, Rainbow Warrior 18-22, Flash Midge Pupa 18-22.
Dries 16-22: Parachute Adams, Parachute, CDC Comparadun, Vis A Dun, Baetis Parachute.
Streamers: Sculpinator, El Sculpito, Dungeons, Galloups Barely Legal, Galloups Butt Sump.